Entropy: Embrace the Chaos!

Chemistry makes it seem that everything has its place and behaves according to different laws. Not always true! Disorder and chaos can and do happen in chemistry; scientists call this disorder entropy. Learn about entropy and its importance to scientists as it helps some chemical reactions move forward and determines the useful work of some reactions.  

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CCSS: Adaptable
NGSS: Adaptable
Instructional Ideas

  • Discuss and explore entropy and use video to support findings
  • Replicate demonstration from the video in the classroom for learners to feel the energy change
Classroom Considerations

  • Classroom must have a computer, Internet access, and a projection system 
Pros

  • Good demonstration of entropy, mixing barium hydroxide octahydrate and ammonium chloride to show entropy
Cons

  • Features a lot of information in a short amount of time; some learners may struggle with these concepts 
Common Core

NGSS